Method for estimating the range of a motor vehicle
First Claim
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1. A method for estimating a range of a motor vehicle, comprising:
- detecting a quantity of energy carried in the motor vehicle;
identifying route profiles for each of a plurality of routes surrounding the motor vehicle;
selecting a maximum permissible amount for at least one driver-controllable vehicle performance characteristic that affects an energy consumption rate;
calculating a still possible range for each of the plurality of routes at least on the basis of the detected quantity of energy carried in the motor vehicle, the identified route profiles surrounding the motor vehicle and the selected maximum permissible amount for at least one driver-controllable vehicle performance characteristic;
displaying in the motor vehicle the calculated still possible range on each of the plurality of routes.
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Abstract
A method is provided for estimating the range of a motor vehicle based on a quantity of energy carried in the motor vehicle. The method enables a driver to limit a maximum permissible velocity and/or a maximum permissible acceleration and/or a maximum performance level for a comfort system. The method also detects the route profiles surrounding the motor vehicle, in particular an altitude profile and/or a road category. A computer device calculates and displays a still possible range at least on the basis of the limitation which has been carried out, the detected route profiles and the still available quantity of energy.
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Citations
23 Claims
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1. A method for estimating a range of a motor vehicle, comprising:
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detecting a quantity of energy carried in the motor vehicle; identifying route profiles for each of a plurality of routes surrounding the motor vehicle; selecting a maximum permissible amount for at least one driver-controllable vehicle performance characteristic that affects an energy consumption rate; calculating a still possible range for each of the plurality of routes at least on the basis of the detected quantity of energy carried in the motor vehicle, the identified route profiles surrounding the motor vehicle and the selected maximum permissible amount for at least one driver-controllable vehicle performance characteristic; displaying in the motor vehicle the calculated still possible range on each of the plurality of routes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 18, 19, 20, 21, 22, 23)
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15. A motor vehicle having a device for estimating range, comprising
a detection device for detecting a quantity of energy carried in a motor vehicle; -
an input device operative to permit a driver to input at least one limitation on a driving performance; a navigation device that detects route profiles for a plurality of routes in proximity to the motor vehicle; and a computer device that calculates a still possible range on each of the plurality of routes at least on the basis of the limitation on driving performance that has been inputted by the driver, the detected road profiles and the quantity of energy carried in the motor vehicle. - View Dependent Claims (16, 17)
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Specification